<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"
          name="viewport">
    <meta content="ie=edge" http-equiv="X-UA-Compatible">
    <meta content="width=device-width, initial-scale=1" name="viewport">
    <title>Document</title>
    <link href="../boot/css/bootstrap.min.css" rel="stylesheet">
    <!--核心jquery js-->
    <script src="../boot/js/jquery-3.4.1.min.js"></script>
    <!--bootstrap 核心 js-->
    <script src="../boot/js/bootstrap.min.js"></script>


</head>
<body>

<!--导航-->
<nav class="navbar navbar-inverse">
    <div class="container">
        <!-- Brand and toggle get grouped for better mobile display -->
        <div class="navbar-header">
            <button aria-expanded="false" class="navbar-toggle collapsed" data-target="#bs-example-navbar-collapse-1"
                    data-toggle="collapse" type="button">
                <span class="sr-only">Toggle navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="#">标签头</a>
        </div>

        <!-- Collect the nav links, forms, and other content for toggling -->
        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
            <ul class="nav navbar-nav">
                <li class="active"><a href="#">超链接1 <span class="sr-only">(current)</span></a></li>
                <li><a href="#">超链接2</a></li>
                <li class="dropdown">
                    <a aria-expanded="false" aria-haspopup="true" class="dropdown-toggle" data-toggle="dropdown"
                       href="#"
                       role="button">下拉菜单1 <span class="caret"></span></a>
                    <ul class="dropdown-menu">
                        <li><a href="#">Action</a></li>
                        <li><a href="#">Another action</a></li>
                        <li><a href="#">Something else here</a></li>
                        <li class="divider" role="separator"></li>
                        <li><a href="#">Separated link</a></li>
                        <li class="divider" role="separator"></li>
                        <li><a href="#">One more separated link</a></li>
                    </ul>
                </li>
            </ul>
            <form class="navbar-form navbar-left">
                <div class="form-group">
                    <input class="form-control" placeholder="搜索框" type="text">
                </div>
                <button class="btn btn-default" type="submit">提交</button>
            </form>
            <ul class="nav navbar-nav navbar-right">
                <li><a href="#">超链接3</a></li>
                <li class="dropdown">
                    <a aria-expanded="false" aria-haspopup="true" class="dropdown-toggle" data-toggle="dropdown"
                       href="#"
                       role="button">下拉框2 <span class="caret"></span></a>
                    <ul class="dropdown-menu">
                        <li><a href="#">Action</a></li>
                        <li><a href="#">Another action</a></li>
                        <li><a href="#">Something else here</a></li>
                        <li class="divider" role="separator"></li>
                        <li><a href="#">Separated link</a></li>
                    </ul>
                </li>
            </ul>
        </div><!-- /.navbar-collapse -->
    </div><!-- /.container-fluid -->
</nav>
<div class="jumbotron">
    <div class="container">
        <div class="row">
            <div class="col-sm-12">
                <h1>幕布</h1>
                <p>自动填充</p>
                <p>自动填充2</p>
                <p><a class="btn btn-primary btn-lg" href="#" role="button">超链接3</a></p>
            </div>
        </div>
    </div>
</div>
<!--中心布局-->
<!--<div class="container">
    <div class="row">
        <div class="col-sm-12">
            &lt;!&ndash;创建巨幕 jumbotron&ndash;&gt;
            <div class="jumbotron">
                <h1>Hello, world!</h1>
                <p>This is a simple hero unit, a simple jumbotron-style component for</p>
                <p>calling extra attention to featured content or information.</p>
                <p><a class="btn btn-primary btn-lg" href="#" role="button">Learn more</a></p>

            </div>

        </div>
    </div>
</div>-->

</body>
</html>